The alloy that contains copper and $Zn$ is $x$ and the one that contains copper and $Ni$ is $y$. What are $x$ and $y$ respectively?
- ABrass,Bronze
- BBronze,'Silver' $UK$ coin
- CGerman silver,Bronze
- DBrass,'Silver' $UK$ coin
Explore More
Similar Questions
Match the following:
List-$I$ List-$II$ $A$. $Co^{2+}$ $I$. Yellow colour $B$. $Fe^{2+}$ $II$. Dark green colour $C$. $Ni^{2+}$ $III$. Blue colour $D$. $Cu^{2+}$ $IV$. Pale green colour $V$. Pink colour
The correct answer is
| List-$I$ | List-$II$ |
|---|---|
| $A$. $Co^{2+}$ | $I$. Yellow colour |
| $B$. $Fe^{2+}$ | $II$. Dark green colour |
| $C$. $Ni^{2+}$ | $III$. Blue colour |
| $D$. $Cu^{2+}$ | $IV$. Pale green colour |
| $V$. Pink colour |
The correct answer is
$NaCl + K_2Cr_2O_7 + \text{conc. } H_2SO_4$ $\xrightarrow{\Delta} P(\text{gas})$ $\xrightarrow{NaOH} Q$ $\xrightarrow[Pb(CH_3COO)_2]{CH_3COOH} R(\text{ppt})$
Which of the following is the correct statement?
Which of the following is the correct statement?
Difficult
View SolutionIn which compound does chromium have a $+6$ oxidation state?
Easy
View SolutionThe oxidation number of $Mn$ in the product of alkaline oxidative fusion of $MnO_2$ is
DifficultIIT 2009
View SolutionThe incorrect statement is:
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo